Allow explicit setting of a number of files

[fio.git] / engines / mmap.c

diff --git a/engines/mmap.c b/engines/mmap.c
index 27d5d25515f2016526cbca985e8bf98bc356e326..bb4a81a5a54f8eb2c3a047f866b624deea39cc7a 100644 (file)
--- a/engines/mmap.c
+++ b/engines/mmap.c
@@ -42,28 +42,6 @@ static int fio_mmapio_queue(struct thread_data *td, struct io_u *io_u)
        return FIO_Q_COMPLETED;
 }
 
-static int fio_mmapio_init(struct thread_data *td)
-{
-       struct fio_file *f;
-       int i;
-
-       if (!td_write(td))
-               return 0;
-
-       /*
-        * We need to truncate the files to the right size, if
-        * we are writing to it.
-        */
-       for_each_file(td, f, i) {
-               if (ftruncate(f->fd, f->file_size) < 0) {
-                       td_verror(td, errno, "ftruncate");
-                       return 1;
-               }
-       }
-
-       return 0;
-}
-
 static int fio_mmapio_open(struct thread_data *td, struct fio_file *f)
 {
        int ret, flags;
@@ -107,9 +85,7 @@ static int fio_mmapio_open(struct thread_data *td, struct fio_file *f)
        return 0;
 
 err:
-       if (f->mmap)
-               munmap(f->mmap, f->file_size);
-       generic_close_file(td, f);
+       td->io_ops->close_file(td, f);
        return 1;
 }
 
@@ -120,16 +96,16 @@ static void fio_mmapio_close(struct thread_data fio_unused *td,
                munmap(f->mmap, f->file_size);
                f->mmap = NULL;
        }
+       generic_close_file(td, f);
 }
 
 static struct ioengine_ops ioengine = {
        .name           = "mmap",
        .version        = FIO_IOOPS_VERSION,
        .queue          = fio_mmapio_queue,
-       .init           = fio_mmapio_init,
        .open_file      = fio_mmapio_open,
        .close_file     = fio_mmapio_close,
-       .flags          = FIO_SYNCIO,
+       .flags          = FIO_SYNCIO | FIO_NOEXTEND,
 };
 
 static void fio_init fio_mmapio_register(void)